var dataObj=function(){
	
	this.fruitNum=0;
	this.double=1;//蓝色果实
	this.score=0;
	this.gameOver=false;
	this.alpha=0;
	
}
//大鱼碰到小鱼时发生重置
/*dataObj.prototype.reset=function(){
	this.fruitNum=0;
	this.double=1;
}
*/
dataObj.prototype.draw=function(){
	var w=can1.width;
	var h=can1.height;
	
	ctx1.save();
	ctx1.shadowBlur=10;
	ctx1.shadowColor="white";
	ctx1.fillStyle="white";
//	ctx1.fillText("fruitNum"+this.fruitNum,w*0.5,h-50);
//	ctx1.fillText("double"+ this.double,w*0.5,h-80);
	ctx1.fillText("SCORE:"+ this.score,w*0.5,h-20);
	
	//gameover 显示给玩家
	if (this.gameOver) {
		this.alpha+=deltaTime*0.0005;
		if (this.alpha>1) {
			this.alpha=1;
		}
		ctx1.fillStyle="rgba(255,255,255,"+this.alpha+")";
		ctx1.fillText("GAMEOVER",w*0.5,h*0.5);
		
	}
	ctx1.restore();
	
}

dataObj.prototype.addScore=function(){
	this.score+=this.fruitNum*100*this.double;
	this.fruitNum=0;
	this.double=1;
}
